Description
Product Overview
The YANNAL PART K21 Cylinder Head Bolt is a precision‑engineered fastener designed specifically for Nissan K21 engines. Crafted from high‑strength steel, the bolt features a knurled head for improved grip during installation and a corrosion‑resistant coating to extend service life. With a manufacturer part number K21 Cylinder Head Bolt, it meets OEM specifications and ensures a perfect fit for replacement or upgrade projects.
Usage
This bolt is ideal for engine rebuilds, head gasket replacements, and performance upgrades on Nissan K21 models. It performs reliably under high temperature and pressure conditions typical of combustion chambers. Whether you are a professional technician or a dedicated hobbyist, the bolt’s design simplifies installation and maintains torque integrity during operation.
Why Choose Us
YANNAL PART combines rigorous material selection with advanced manufacturing processes to deliver a bolt that exceeds standard aftermarket quality. Each unit undergoes strict dimensional testing and heat treatment to guarantee strength and consistency. Our 1‑year warranty reflects confidence in product durability, and our customer support is ready to assist with any fitment questions.
Key Features
- High‑strength steel construction for superior load capacity
- Knurled head design for easy, slip‑free installation
- Corrosion‑resistant coating extends service life
- Exact OEM dimensions ensure perfect fit on Nissan K21 engines
- 1‑year warranty provides peace of mind and reliable support
FAQ
Is this bolt compatible with all Nissan K21 models?
Yes, the bolt matches the OEM specifications for all standard Nissan K21 engine variants.
What torque specification should be used when installing?
We recommend a torque setting of 70 Nm (52 lb‑ft) for optimal clamping force.
Can I use this bolt for performance upgrades?
Absolutely. Its high‑strength steel construction makes it suitable for both stock repairs and high‑performance applications.
How does the knurled head improve installation?
The knurled surface provides better grip with standard tools, reducing the risk of slippage and ensuring accurate torque application.
What is covered under the 1‑year warranty?
The warranty covers material defects and workmanship issues. Contact our support team with your purchase details for assistance.
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